97565936160 has 384 divisors, whose sum is σ = 390405464064. Its totient is φ = 19890524160.

The previous prime is 97565936147. The next prime is 97565936161. The reversal of 97565936160 is 6163956579.

It is a happy number.

It is a super-2 number, since 2×97565936160² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97565936160.

It is not an unprimeable number, because it can be changed into a prime (97565936161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1933977 + ... + 1983783.

It is an arithmetic number, because the mean of its divisors is an integer number (1016680896).

Almost surely, 2^97565936160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97565936160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195202732032).

97565936160 is an abundant number, since it is smaller than the sum of its proper divisors (292839527904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97565936160 is a wasteful number, since it uses less digits than its factorization.

97565936160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49896 (or 49888 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 57.

The spelling of 97565936160 in words is "ninety-seven billion, five hundred sixty-five million, nine hundred thirty-six thousand, one hundred sixty".